GSC P-D 21-4N Chrome Polished Intake Valve 38.15mm Head (+1mm) Single Nissan GT-R 2009-2025 | 2052-01

Product Fitment:

2009-2025 Nissan GT-R

Upgrade your Nissan GT-R’s engine performance with the GSC Power Division 1.0mm Oversize Intake Valve, designed specifically for the VR38DETT 3.8L V6. When engines are rebuilt with larger valve seats or have experienced wear, oversize valves restore optimal sealing and airflow. Built for strength and durability, this 1.0mm oversize intake valve enhances breathing efficiency - ideal for high-boost, high-RPM, and performance engine builds.

GSC Power Division is known for producing precision valvetrain components that stand up to demanding driving conditions and deliver consistent performance.

Key Features

• Sold Individually

• Valve Type: Intake valve

• Oversize: +1.0mm for engines with machined seats

• Material: High-grade performance alloy for strength and heat resistantce

• Performance Benefits:

  • Improves airflow and combustion efficiency

  • Better durability and reliability over stock valves

  • Designed for high-boost and high-RPM engines

  • OEM-compatible sizing for direct replacement after valve job

Why Choose Oversize Intake Valves

Stock intake valves are designed for stock applications and may not provide optimal sealing or airflow after machining or heavy use. Oversize valves are necessary in situations where:

• Cylinder head machining has increased valve seat width

• Performance upgrades require improved airflow

• Engines are driven at high RPM or boost levels

This 1.0mm oversize intake valve ensures proper fitmentt and performance in rebuilt or high-output VR38DETT engines.